From ced0c568fbfc2cc57c63128f06a14bba8847363a Mon Sep 17 00:00:00 2001
From: Ayush Bherwani <ayush.bherwani1998@gmail.com>
Date: Tue, 13 Oct 2020 03:24:15 +0530
Subject: [PATCH] [platform_channels] adds ios implementation for MethodChannel
 demo (#563)

---
 platform_channels/ios/Flutter/.last_build_id  |  1 +
 .../ios/Runner.xcodeproj/project.pbxproj      |  3 --
 .../ios/Runner/AppDelegate.swift              | 33 +++++++++++++++----
 3 files changed, 27 insertions(+), 10 deletions(-)
 create mode 100644 platform_channels/ios/Flutter/.last_build_id

diff --git a/platform_channels/ios/Flutter/.last_build_id b/platform_channels/ios/Flutter/.last_build_id
new file mode 100644
index 000000000..a23b6bae7
--- /dev/null
+++ b/platform_channels/ios/Flutter/.last_build_id
@@ -0,0 +1 @@
+dad366ac47fa5a1d30c8533697937d44
\ No newline at end of file
diff --git a/platform_channels/ios/Runner.xcodeproj/project.pbxproj b/platform_channels/ios/Runner.xcodeproj/project.pbxproj
index 73cb7672e..dccd2beb9 100644
--- a/platform_channels/ios/Runner.xcodeproj/project.pbxproj
+++ b/platform_channels/ios/Runner.xcodeproj/project.pbxproj
@@ -241,7 +241,6 @@
 /* Begin XCBuildConfiguration section */
 		249021D3217E4FDB00AE95B9 /* Profile */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
@@ -318,7 +317,6 @@
 		};
 		97C147031CF9000F007C117D /* Debug */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
@@ -374,7 +372,6 @@
 		};
 		97C147041CF9000F007C117D /* Release */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
diff --git a/platform_channels/ios/Runner/AppDelegate.swift b/platform_channels/ios/Runner/AppDelegate.swift
index 70693e4a8..0ae04b187 100644
--- a/platform_channels/ios/Runner/AppDelegate.swift
+++ b/platform_channels/ios/Runner/AppDelegate.swift
@@ -3,11 +3,30 @@ import Flutter
 
 @UIApplicationMain
 @objc class AppDelegate: FlutterAppDelegate {
-  override func application(
-    _ application: UIApplication,
-    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
-  ) -> Bool {
-    GeneratedPluginRegistrant.register(with: self)
-    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
-  }
+    override func application(
+        _ application: UIApplication,
+        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+    ) -> Bool {
+        let flutterViewController = window.rootViewController as! FlutterViewController
+        FlutterMethodChannel(name: "methodChannelDemo", binaryMessenger: flutterViewController.binaryMessenger).setMethodCallHandler({
+            (call: FlutterMethodCall, result: FlutterResult) -> Void in
+            
+            guard let count = (call.arguments as? NSDictionary)?["count"] as? Int else {
+                result(FlutterError(code: "INVALID_ARGUMENT", message: "Value of count cannot be null", details: nil))
+                return
+            }
+            
+            switch call.method {
+            case "increment":
+                result(count + 1)
+            case "decrement":
+                result(count - 1)
+            default:
+                result(FlutterMethodNotImplemented)
+            }
+        })
+        
+        GeneratedPluginRegistrant.register(with: self)
+        return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+    }
 }